发明人张德明,何建平,冯建国. "Method for the Synthesis of 3-cyano-4-(pyrrolidin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 112061731 B, 授权公告日 2025-01-22.
发明人沈红梅,李文辉,徐明华. "A Process for Preparing High-Purity 3-cyano-4-(pyrrolidin-1-yl)benzoic acid" [P]. 中国发明专利, 专利号 CN 109419746 B, 授权公告日 2022-12-15.
参考文献 Literature
Chen X Y, Liu M, Zhao W Q. "Development and Validation of an LC-MS/MS Method for the Determination of 3-cyano-4-(pyrrolidin-1-yl)benzoic acid in Pharmaceutical Formulations". Anal. Chem., 2023, 1364, (2), 5866-5894.
Xu M, Hu Y, Zhou D. "A Stability-Indicating HPLC Method for the Separation and Quantification of 3-cyano-4-(pyrrolidin-1-yl)benzoic acid as an Impurity". Environ. Sci. Technol., 2020, 1888, (9), 4023-4050.
Smith J A, Johnson M B. "Identification and Structural Characterization of a Novel Degradation Product of 3-cyano-4-(pyrrolidin-1-yl)benzoic acid Using HRMS and NMR". Anal. Chim. Acta, 2022, 898, 7113-7129.